[3] He continued his studies at the Royal College of Music (RCM) where his professors included Holst and Vaughan Williams (composing) and Adrian Boult (conducting).
[4] Warrack also conducted at the Lyric Hammersmith and assisted Adrian Boult in an opera season at the Royal Court Theatre.
[2] From 1936-1945 he was principal conductor of the BBC Scottish Symphony Orchestra, leading over 1,500 broadcasts by them and giving European premieres of works by Aaron Copland, George Frederick McKay and Daniel Gregory Mason, as well as reviving neglected repertoire.
[5] He orchestrated the piano music of Fauré for choreographer Andrée Howard's best known ballet, La Fête étrange, premiered on 23 May 1940.
[2] From 1948-1951 he joined the Sadler's Wells Theatre Ballet where he conducted the premieres of Andrée Howard's Selina (1948), Richard Arnell and John Cranko's Harlequin in April (1951), and other works.
Another scene shows a conversation between an S.S. man on the run and a British interrogation officer, done entirely by music, with no speech whatsoever.
[14] The now lost "Edinburgh" Symphony was performed on Friday 1 April 1932 at the Royal College of Music (where he was teaching), conducted by Malcolm Sargent.
[24] Warrack remained active until his early eighties, at the Performing Right Society and Composers' Guild, and as a travelling examiner for the Associated Board.